Home / 75,621.42-104,360.26-43,361.04

Finding the Fourth Proportional to 75,621.42, 104,360.26 and 43,361.04

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Solution

The fourth proportional to 75,621.42, 104,360.26 and 43,361.04 is: 59,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.42 : 104,360.26 = 43,361.04 : x
  2. Step 2: Convert to fraction form
    75,621.42/104,360.26 = 43,361.04/x
  3. Step 3: Cross multiply
    75,621.42x = 104,360.26 × 43,361.04
  4. Step 4: Simplify right side
    75,621.42x = 4,525,169,408.27
  5. Step 5: Solve for x
    x = 4,525,169,408.27/75,621.42
  6. Step 6: Final answer
    x = 59,839.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.